var CookieUtil = {
	get : function(name) {
		var cookieName = encodeURIComponent(name) + "=",
			cookieStart = document.cookie.indexOf(cookieName),
			cookieValue = null;
			
		if(cookieStart > -1) {
			var cookieEnd = document.cookie.indexOf(";", cookieStart);
			if(cookieEnd == -1) {
				cookieEnd = document.cookie.length;
			}
			cookieValue = decodeURIComponent(document.cookie.substring(cookieStart +cookieName.length, cookieEnd));
		}
		return cookieValue;
	},
	
	set : function(name, value, expires, path, domain, secure) {
		var cookieText = encodeURIComponent(name) + "=" + encodeURIComponent(value);
		if(expires instanceof Date) {
			cookieText += " ; expires=" + expires.toGMTString();
		}
		
		if(path) {
			cookieText += "; path=" + path;
		}
		
		if(domain) {
			cookieText += "; domain=" + domain;
		}
		
		if(secure) {
			cookieText += "; secure=" + secure;
		}
		document.cookie = cookieText;
	},
	
	unset : function(name, path, domain, secure) {
		this.set(name, "", new Date(0), path, domain, secure);
	}
	
};